OpenTechnical

OT-2026-000072635

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000072635) never changes.

Identity and time

Publication numberOT-2026-000072635 · never reused
Internal UUID01a0ae92-89d9-79b1-90d9-03a94c995fc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072635
StatusPUBLIC

Content hashes

Canonical text31f7e62982a355ad671b7f8c75b646373d43e123254d11b81a13e8434513d66d
Markdown8e4be5176ea40a1191f1377dbee7de3d3a9a323531742cad8891dab9bcd4196e
PDF
Publication page19a39ec4c4fbb196df79bfa5814510e31162c414240656e9283cac6f829b3b74
Manifestf3554b020cbb27e219de6708d082faa98d0b41c364540547d9fd7b5f21baea3e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureLIE5r697GACdLMZ6mES9Bvol6L4l0fX3//nKChAr+gqZHqt90TuYTQNXTfKKr0rTss70S5jWjvXBTbDQOMtVAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:28.339323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072635
observed 19a39ec4c4fbb196df79bfa5814510e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.321835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072635/manifest.json
observed f3554b020cbb27e219de6708d082faa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.304092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072635/publication.md
observed 8e4be5176ea40a1191f1377dbee7de3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:28.285873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072635/publication.txt
observed 31f7e62982a355ad671b7f8c75b64637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.